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Finding the Fourth Proportional to 11,416.60, 17,124.90 and 4,029.40

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Solution

The fourth proportional to 11,416.60, 17,124.90 and 4,029.40 is: 6,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.60 : 17,124.90 = 4,029.40 : x
  2. Step 2: Convert to fraction form
    11,416.60/17,124.90 = 4,029.40/x
  3. Step 3: Cross multiply
    11,416.60x = 17,124.90 × 4,029.40
  4. Step 4: Simplify right side
    11,416.60x = 69,003,072.06
  5. Step 5: Solve for x
    x = 69,003,072.06/11,416.60
  6. Step 6: Final answer
    x = 6,044.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.